Influence of deficit irrigation during growth stages on water use efficiency (wue) and production of wheat cultivars under field conditions
Journal Title: International Research Journal of Applied and Basic Sciences - Year 2012, Vol 3, Issue 10
Abstract
Deficit irrigation has been widely investigated as a valuable and sustainable production strategy in dry regions. This study was made to determine the influence of deficit irrigation on water use efficiency, yield and harvest index of wheat cultivars under field conditions. The experiments were laid out in a randomized complete block design with four replications having split plot arrangement in two successive cropping seasons (2008-2009) at Agricultural and Natural Resources Research Center of Zabol, Iran. The main plots included 5 levels of deficit irrigation and subplots included 4 wheat cultivars. Results showed that yield, harvest index, water use efficiency and evaportranspiration efficiency were affected by deficit irrigation. Well-watered treatment (D1) produced the highest grain yield, biological yield and harvest index and irrigation only before planting (D5) produced the highest water use efficiency and evaportranspiration efficiency. Water use efficiency for grain yield varied from 0.715 to 0.797 kg m-3 and biological yield from 1.930 to 2.489 kg m-3 between deficit irrigation treatments. Chamran (C3) cultivar had higher grain yield stability and Hirmand (C2) cultivar was lower than others cultivars.
Authors and Affiliations
Mohammad Galavi| Department of agronomy and plant breeding, faculty of Agriculture, University of Zabol, Iran.mgalavi@yahoo.com, Hossein Akbari Moghaddam| PhD student at the Field of Crop Physiology, University of Zabol, Iran,Agricultural and Natural Resources Research Center of Sistan, Iran
Keywords
Related Articles
- EP ID EP5148
- DOI -
- Views 400
- Downloads 21
Inverse Optimal Control And Construction Of Clf For Bilinear And Biaffine Control Systems
Continuous-time bilinear and biaffine control systems with the construction of CLF and a inverse optimal control law have been considered. This control law is a generalization of Sontag’s formula and contains a design pa...
Effect of foliar application of Micro-nutrients on yield and yield components of safflower under conventional and ecological cropping systems
Information regarding the effect of foliar application of zinc and manganese on the yield and yield components of safflower (Carthamus tinctorius L. cv. Isfahan landrace) under conventional and ecological cropping system...
Effects of Representational Faithfulness and Feedback Value on Cost of Equity
It is contended among the accounting researchers that information asymmetry could be reduced through disclosure of information in respect to quality of earnings. The main purpose of this paper is to review the effects of...
Multiple and simple regression models relationship of some seed vigour tests and field seed emergence of crops
In order to determine the simple and multiple regression models relationship of seed vigour tests and field seed performance of some Iran important crop included corn, wheat, barley, sorghum, alfalfa, Iranian clover, saf...
Constraints In Management and Accounting Financical
This paper examines in detail the relative utility of the Theory of Constraints compared to traditional management accounting approaches to resource utilisation in aiding decisionmaking. It also considers the propagation...